GB1258228A - - Google Patents

Info

Publication number
GB1258228A
GB1258228A GB1258228DA GB1258228A GB 1258228 A GB1258228 A GB 1258228A GB 1258228D A GB1258228D A GB 1258228DA GB 1258228 A GB1258228 A GB 1258228A
Authority
GB
United Kingdom
Prior art keywords
conducting layers
gap
groove
insulating body
bulb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1258228A publication Critical patent/GB1258228A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
GB1258228D 1969-10-13 1970-10-09 Expired GB1258228A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6915476A NL6915476A (fr) 1969-10-13 1969-10-13

Publications (1)

Publication Number Publication Date
GB1258228A true GB1258228A (fr) 1971-12-22

Family

ID=19808105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258228D Expired GB1258228A (fr) 1969-10-13 1970-10-09

Country Status (6)

Country Link
US (1) US3685947A (fr)
BE (1) BE757411A (fr)
DE (1) DE2048720A1 (fr)
FR (1) FR2065258A5 (fr)
GB (1) GB1258228A (fr)
NL (1) NL6915476A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873261A (en) * 1973-11-16 1975-03-25 Gen Electric Photoflash lamp
US4025285A (en) * 1975-10-28 1977-05-24 Gte Sylvania Incorporated Photoflash lamp
US4097220A (en) * 1976-09-16 1978-06-27 General Electric Company Flash lamp array having shorting lamps
US4278420A (en) * 1979-07-16 1981-07-14 Gte Products Corporation Photoflash lamp, method of making same, and photoflash circuit
US4311453A (en) * 1980-05-05 1982-01-19 Gte Products Corporation High voltage flashlamp with ignition means including a plurality of spark gap members
US4341513A (en) * 1980-05-05 1982-07-27 Gte Products Corporation Subminiature photoflash lamp having light-emitting pyrotechnic charge
US4614494A (en) * 1985-12-10 1986-09-30 Gte Products Corporation Primer insulating base
US4659308A (en) * 1985-12-10 1987-04-21 Gte Products Corporation Photoflash lamp with improved primer
US4696641A (en) * 1986-08-11 1987-09-29 Gte Products Corporation Primer material and photoflash lamp
FR2775070B1 (fr) * 1998-02-16 2000-04-28 Aerospatiale Dispositif d'emission de rayonnements infrarouges
DE10223524A1 (de) * 2002-05-27 2003-12-24 Trw Repa Gmbh Verfahren zur Herstellung einer pyrotechnisches Material enthaltenden Vorrichtung und eine nach dem Verfahren erhältliche Vorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771765A (en) * 1954-09-01 1956-11-27 Westinghouse Electric Corp Photoflash lamp
US3224236A (en) * 1963-07-15 1965-12-21 Ment Jack De Noble gas flash lamp and laser light source
NL151491B (nl) * 1966-09-30 1976-11-15 Philips Nv Verbrandingsflitslamp.

Also Published As

Publication number Publication date
DE2048720A1 (de) 1971-04-22
NL6915476A (fr) 1971-04-15
BE757411A (fr) 1971-04-13
US3685947A (en) 1972-08-22
FR2065258A5 (fr) 1971-07-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees